What's Required? - Nothing This product works out of the box with the free ‘Philips Hue Bluetooth’ app. Simply screw in your new Bulb and connect to the Bluetooth app for in room smart lighting controlGet Started In No Time - With no complex installation required you can start controlling your smart LED lights straight out of the box with your smart device or voice. Discover the easiest way to control your lightingDimmable Cool To Warm White Light - Play with 50,000 shades of tuneable warm to cool white light to put you in the mood to work, play, or relax. Start your morning off on the right foot with cool, energising bright white light, or settle down for the night with golden tonesControl Lights With Your Voice - Works with Alexa, Google Assistant and Apple HomeKit devices for hands-free voice control. Control your smart home lights with simple voice commandsUnlock Your Homes Full Potential - Add a Philips Hue Bridge (sold separately, optional) to your cart and unlock full home control, either when youre home or away